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Nam, Su-Jung https://orcid.org/0000-0002-3721-2838
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Article History
First Online: 11 August 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: For this type of study, formal consent was not required since it is a retrospective study.
: Informed consent was obtained from all patients for being included in the study.
